Patents by Inventor Satyanarayana THIRUNAHARI

Satyanarayana THIRUNAHARI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for preparation of Siponimod, its salts and solid state forms thereof
    Patent number: 11390583
    Abstract: The present application provides process for preparation of siponimod, intermediates of siponimod, salts of siponimod, polymorphic forms and solid dispersions of siponimod and its salts thereof. The present application specifically provides crystalline polymorphic forms of siponimod base, siponimod hemifumarate and other salts and pharmaceutical compositions thereof. Also provided are solid dispersions of siponimod hemifumarate and pharmaceutical compositions containing them.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: July 19, 2022
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Srinivas Oruganti, Krishnarao Chintada, Bhaskar Kandagatla, Raju Cheerlavancha, Vamsi Krishna Mudapaka, Rajasekhar Voguri, Rajesh Thipparaboina, Satyanarayana Thirunahari
  • AMORPHOUS AND CRYSTALLINE FORMS OF RELUGOLIX
    Publication number: 20220220123
    Abstract: The present application relates to crystalline forms R1-R10 of relugolix and process for preparation thereof. The present application also relates to amorphous form and amorphous solid dispersion of relugolix and process for preparation thereof. Crystalline forms R1 are stable under all storage conditions for three months. Crystalline form R1 have excellent physico-chemical properties and may be used conveniently in a pharmaceutical composition comprising relugolix. The application also relates to a process for purification of relugolix.
    Type: Application
    Filed: May 15, 2020
    Publication date: July 14, 2022
    Inventors: Jayprakash Amarpal YADAV, Srinivas ORUGANTI, Saikat SEN, Satyanarayana THIRUNAHARI, Satish Chowdary NEKKANTI, Shanmukha Prasad GOPI
  • SOLID FORMS OF ENCEQUIDAR MESYLATE AND PROCESSES THEREOF
    Publication number: 20220169637
    Abstract: Aspects of the present application relate to solid forms of Encequidar, its mesylate salt and pharmaceutical compositions thereof. Specific aspects relate to the crystalline Form E1 of Encequidar, crystalline Form EM1, crystalline Form EM2 and crystalline Form EM3 of Encequidar mesylate. Further aspects relate to processes for the preparation of solid forms of Encequidar and its mesylate salt.
    Type: Application
    Filed: March 24, 2020
    Publication date: June 2, 2022
    Inventors: Srinivas ORUGANTI, Vishnu Vardhana Vema Reddy EDA, Saikat SEN, Arijit MUKHERJEE, Satyanarayana THIRUNAHARI
  • SOLID STATE FORMS OF SIPONIMOD
    Publication number: 20220144768
    Abstract: The present application provides novel polymorphic forms of siponimod, their processes, their use in purification of other crystalline polymorphic forms of siponimod, and pharmaceutical compositions containing them. The present application specifically provides crystalline Form S, Form S1 and Form S2 of siponimod, their preparative methods, their use in purification of other crystalline forms of siponimod and pharmaceutical compositions thereof.
    Type: Application
    Filed: February 26, 2020
    Publication date: May 12, 2022
    Inventors: Srividya RAMAKRISHNAN, Vamsi Krishna MUDAPAKA, Satyanarayana THIRUNAHARI, Srinivasulu RANGINENI
  • PROCESS FOR PREPARATION OF SIPONIMOD, ITS SALTS AND SOLID STATE FORMS THEREOF
    Publication number: 20200290961
    Abstract: The present application provides process for preparation of siponimod, intermediates of siponimod, salts of siponimod, polymorphic forms and solid dispersions of siponimod and its salts thereof. The present application specifically provides crystalline polymorphic forms of siponimod base, siponimod hemifumarate and other salts and pharmaceutical compositions thereof. Also provided are solid dispersions of siponimod hemifumarate and pharmaceutical compositions containing them.
    Type: Application
    Filed: September 26, 2018
    Publication date: September 17, 2020
    Inventors: Srinivas ORUGANTI, Krishnarao CHINTADA, Bhaskar KANDAGATLA, Raju CHEERLAVANCHA, Vamsi Krishna MUDAPAKA, Rajasekhar VOGURI, Rajesh THIPPARABOINA, Satyanarayana THIRUNAHARI
  • Solid state forms of dasatinib and processes for their preparation
    Patent number: 10464933
    Abstract: The present invention provides crystalline form of (R)-propylene glycol solvate of dasatinib and crystalline form of (S)-propylene glycol solvate of dasatinib.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: November 5, 2019
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Satyanarayana Thirunahari, Anish Anil Gupta, Srividya Ramakrishnan, Sonawane Swapnil, Rakeshwar Bandichhor, Srinivasula Reddy Lakkireddy
  • SOLID STATE FORMS OF DASATINIB AND PROCESSES FOR THEIR PREPARATION
    Publication number: 20190040054
    Abstract: The present invention provides crystalline form of (R)-propylene glycol solvate of dasatinib and crystalline form of (S)-propylene glycol solvate of dasatinib.
    Type: Application
    Filed: February 3, 2017
    Publication date: February 7, 2019
    Inventors: Satyanarayana THIRUNAHARI, Anish ANIL GUPTA, Srividya RAMAKRISHNAN, Sonawane SWAPNIL, Rakeshwar BANDICHHOR, Srinivasula Reddy LAKKIREDDY